Home / 88,225.96-121,750.32-47,940.34

Finding the Fourth Proportional to 88,225.96, 121,750.32 and 47,940.34

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Solution

The fourth proportional to 88,225.96, 121,750.32 and 47,940.34 is: 66,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,225.96 : 121,750.32 = 47,940.34 : x
  2. Step 2: Convert to fraction form
    88,225.96/121,750.32 = 47,940.34/x
  3. Step 3: Cross multiply
    88,225.96x = 121,750.32 × 47,940.34
  4. Step 4: Simplify right side
    88,225.96x = 5,836,751,735.91
  5. Step 5: Solve for x
    x = 5,836,751,735.91/88,225.96
  6. Step 6: Final answer
    x = 66,156.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.